Restructuring and Related Implementation Charges - Schedule of Restructuring Charges Incurred, by Segment (Details) - Global Productivity Initiative		6 Months Ended
	Jan. 27, 2022	Jun. 30, 2024	Jun. 30, 2023
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment		100.00%	100.00%
Program-to-date Accumulated Charges		100.00%
Hill's Pet Nutrition
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	10.00%	8.00%	15.00%
Program-to-date Accumulated Charges		12.00%
Corporate
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	15.00%	1.00%	19.00%
Program-to-date Accumulated Charges		15.00%
North America
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	10.00%	0.00%	14.00%
Program-to-date Accumulated Charges		8.00%
Latin America
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	10.00%	0.00%	2.00%
Program-to-date Accumulated Charges		9.00%
Europe
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	45.00%	90.00%	26.00%
Program-to-date Accumulated Charges		41.00%
Asia Pacific
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	5.00%	0.00%	22.00%
Program-to-date Accumulated Charges		8.00%
Africa/Eurasia
Restructuring Cost and Reserve [Line Items]
Percent of total restructuring charges related to segment	5.00%	1.00%	2.00%
Program-to-date Accumulated Charges		7.00%